n. Originally, a medicine of a thicker consistency than sirup, prepared with opium.n. Any medicine that contains opium, and has the quality of inducing sleep or repose; a narcotic.n. Anything which induces rest or inaction; that which quiets uneasiness.adj. Inducing sleep; somniferous; narcotic; hence, anodyne; causing rest, dullness, or inaction.v. To subject to the influence of an opiate; to put to sleep.